Newbern, TN to Johnson City, TN is 462.1 miles and takes about 8h 34m via I 40 and I 81, with a fuel budget near $82 and enough daylight to finish in a day if you start early. This trip stays within Tennessee, connecting the western part of the state to the eastern mountains. With nearly all highway driving, it's a straightforward path for getting from point A to point B efficiently. If you prefer to break it up, consider a two-day trip to allow for more leisurely stops along the way. The total duration suggests it's a long day if you aim to complete it in one go.
Trip Pace
Best split across 2 days
Treat the return leg as its own travel day rather than an afterthought.
Break Rhythm
2 planned breaks
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
231.1 miles from Newbern, TN
A natural place for your longest stop of the day
, about 4h 20m into the drive
.
Main Roads
Road
Distance
Duration
I 40
210.5 mi
3h 50m
US 412
170.5 mi
3h 8m
I 81
56.6 mi
1h
James H. Quillen Parkway
14 mi
16m
East Main Street
5.2 mi
9m
Downtown Loop
2.9 mi
4m
Saint John Avenue
0.7 mi
1m
East Market Street
0.3 mi
<1m
Longest stretch:
I 40
— 210.5 mi, about 3h 50m
Turn-by-Turn Driving Directions
Step-by-step road directions between Newbern, TN and Johnson City, TN.
1
Start on this road
57 ft·10 sec·this road
2
Turn left onto SR 211
5.2 mi·9 min·East Main Street
3
Continue on TN 211
0.7 mi·1 min·Saint John Avenue
4
Take the ramp
0.4 mi·51 sec
Toward US 412 East: Jackson
5
Merge onto US 412
13 mi·15 min·US 412
6
Continue on US 412
29 mi·34 min·US 412
7
Turn left onto US 412
128 mi·2 hr 18 min·US 412
Toward I-40 East, US 412 East: NashvilleUse the straight / right lanes.
8
Keep slight right at fork
0.2 mi·24 sec
Exit 208AToward I 40 East, I 65 South: Knoxville, HuntsvilleUse the slight left / slight right lanes.
9
Merge onto I 40; I 65
2.4 mi·3 min·Downtown Loop
Use the straight / slight right lanes.
10
Continue on I 40
0.5 mi·42 sec·Downtown Loop
Exit 211B; 211AToward I 24 West, I 40 East, I 24 East: Clarksville, Louisville, Knoxville, ChattanoogaUse the straight / slight right lanes.
11
Keep slight right at fork onto I 40
174 mi·3 hr 9 min·I 40
Exit 211AToward I 40 East, I 24 East: Knoxville, ChattanoogaUse the slight left / slight right lanes.
12
Keep slight left at fork onto I 40
37 mi·40 min·I 40
Use the straight / slight right lanes.
13
Keep slight left at fork onto I 81
57 mi·1 hr·I 81
Exit 421Toward I 81 North: Bristol
14
Take the exit
0.4 mi·40 sec
Exit 57AToward I 26 East, US 23 South: Johnson City, Asheville
15
Merge onto I 26; US 23
14 mi·16 min·James H. Quillen Parkway
16
Take the exit
0.1 mi·15 sec
Exit 23Toward TN 91
17
Turn right onto SR 91
0.3 mi·38 sec·East Market Street
18
Turn left onto Buffalo Street
0.2 mi·32 sec·Buffalo Street
Use the left / straight lanes.
19
Turn right
433 ft·31 sec
20
Arrive at destination
Trip Plan
Given the 8.5-hour drive time, splitting this trip over two days is highly recommended to avoid fatigue. Aim to depart Newbern early in the morning, especially if you plan to complete it in one day. The longest stretch without a significant break is over 200 miles on I 40, so plan your fuel and rest stops accordingly. You'll have about $82 budgeted for fuel, which should be sufficient given the highway profile. Consider stopping around the halfway point to break up the drive into two roughly equal segments.
Morning Departure
Start early — leave by 6-7 AM to arrive at a reasonable hour.
Evening Departure
This is a long drive — plan for a morning departure or consider splitting it into two days.
This drive is better paced as a 2-day trip.
Plan roughly 2 meaningful breaks for fuel, food, and rest.
The halfway point lands around 231.1 miles from Newbern, TN, or about 4h 20m into the drive.
The longest continuous stretch on this route runs about 210.5 miles.
Consider an overnight stop or starting very early.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 102 miles or 1h 59m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 231.1 miles or 4h 20m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Overnight split
Day 1 wrap after about 231.1 miles or 4h 20m
Stop before fatigue turns the last few hours into a grind. You want day two to start fresh, not just resumed.
Final approach
Final hour starts around 7h 27m
Traffic, exits, and arrival timing usually matter more near Johnson City, TN than in the middle of the route.
Before You Leave
+
Open the route before leaving Newbern, TN so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
+
Pick one backup stop option before the midpoint in case traffic changes your pacing.
+
Treat this as a 2-day road trip and book the overnight stop before the busiest arrival window.
Day 1
Settle into the route from Newbern, TN
Aim for roughly 231 miles and 4.3 hours of wheel time on this day.
Day 2
Finish the approach into Johnson City, TN
Aim for roughly 231 miles and 4.3 hours of wheel time on this day.
Your first comfortable stop window is around 102 miles from Newbern, TN.
This route usually feels better as a 2-day drive than as one long push.
Plan about 2 real breaks rather than only quick fuel stops.
The longest stretch is on I 40 for about 210.5 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Place data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 15
5 decision points cluster between mile 48.3 and 390.4 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
6
48.3 mi into trip|~1h 1m in|US 412
Turn left onto US 412 toward I-40 East, US 412 East: Nashville
Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / right lanes.
Toward I-40 East, US 412 East: Nashville
9
176.7 mi into trip|~3h 19m in
Keep slight right at fork toward I 40 East, I 65 South: Knoxville, Huntsville
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight left / slight right lanes.
Exit 208A
Toward I 40 East, I 65 South: Knoxville, Huntsv...
9
179.9 mi into trip|~3h 24m in|I 40
Keep slight right at fork onto I 40 toward I 40 East, I 24 East: Knoxville, Chattanooga
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight left / slight right lanes.
Exit 211A
Toward I 40 East, I 24 East: Knoxville, Chattan...
6
353.7 mi into trip|~6h 34m in|I 40
Keep slight left at fork onto I 40
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
6
390.4 mi into trip|~7h 14m in|I 81
Keep slight left at fork onto I 81 toward I 81 North: Bristol
Highway fork - watch signs carefully
Exit 421
Toward I 81 North: Bristol
Fuel & Cost
Regular Gas
$68.24 one way
$136.48 round trip
$3.75/gal25.4 MPG avg162 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.14
$75.34
$150.67
premium
$4.72
$85.80
$171.60
diesel
$4.80
$87.25
$174.51
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$68
Hotel (1n)
$80–$140
Meals
$50–$100
Total
$198–$308
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 161.7 kg one way.
Prices: EIA weekly data, 2026-07-13.
Driving Electric?
About $49 in charging
· 1 stop
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
138.6
1
$48.52
$22.18
Efficient EV
115.5
1
$40.43
$18.48
EV Truck/SUV
184.8
2
$64.69
$29.57
Gas CO2
162 kg
EV CO2
54 kg (67% less)
Plan for 1 charging stop. A 30-minute DC fast charge mid-route should be enough to complete the trip comfortably.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Forecast as of Jul 16, 2026
Origin
Newbern, TN
Evening
in Newbern on Saturday
Local time
6:10 PM
CDT
Current temp
71°F
Chance Showers And Thunderstorms then Patchy Fog
SW 0 to 5 mph35% chanceLive forecast
Destination
Johnson City, TN
Evening
in Johnson City on Saturday
Local time
7:10 PM
EDT
Current temp
71°F
Mostly Clear
W 0 to 5 mph4% chanceLive forecast
85°F
Livingston, TN
231 mi in
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
For long drives, weather on day two can matter just as much as conditions at departure, so check the whole travel window rather than only the first day.
Time zone
1 hour later
The destination clock does not match departure time, so double-check hotel check-in windows and late arrival plans.
Temperature spread
Very similar conditions
Both ends of the route are sitting at about the same temperature right now.
Road read
8h 34m on the road
This is long enough that the arrival forecast matters almost as much as departure conditions. Recheck both ends before you roll.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
National Parks Near This Route
Worth a detour if your schedule allows.
Stones River National Battlefield
National Battlefield
The Battle of Stones River began on the last day of 1862 and became one of the bloodiest conflicts of the Civil War. The battle produced important military and political gains for the Union, and it ch...
22 mi from route
~55 min detour
Free
near mile 191.2
Ridge upon ridge of forest straddles the border between North Carolina and Tennessee in Great Smoky Mountains National Park. World renowned for its diversity of plant and animal life, the beauty of it...
28 mi from route
~71 min detour
Free
near mile 382.4
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
This route is predominantly highway, with 98% of the drive on major interstates like I 40 and I 81. You'll experience a long stretch of continuous driving for up to 210.5 miles on I 40 before you encounter any significant changes to surface roads. Expect a high volume of exits and merging traffic due to the extensive highway travel. The profile is mostly highway, indicating a consistent driving experience with fewer turns.
98% highway — fuel and pacing are the main things to plan.
20 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 210.5 mi on I 40.
How Hard Is This Drive?
8/10
This is a straightforward highway drive that stays mostly on I 40 and US 412. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 48.3 miles in near US 412.
Driving Effort8/10
Demanding - plan breaks and stay ahead of the key maneuvers
Balances navigation complexity with total wheel time.
This is a demanding drive. With 15 significant decision points across 462.1 miles, you will need to stay alert - especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
Where does it get tricky?
The main spots that need attention: at 48.3 miles (US 412): Lane positioning matters here. Multiple destination signs - pick the right one; at 176.7 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 179.9 miles (I 40): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
Elevation Profile
Gently rolling terrain
1,628 ft378 ft
Total Climb
1,378 ft
Total Descent
128 ft
Highest Point
1,628 ft
~462.1 mi in
Elevation Range
1,250 ft
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Newbern, TN and Johnson City, TN, road signs point toward Huntsville, Louisville, Knoxville and Chattanooga.
Huntsville
176.7 mi in|~3h 19m
Louisville
179.3 mi in|~3h 23m|via I 40
Knoxville
179.3 mi in|~3h 23m|via I 40
Chattanooga
179.3 mi in|~3h 23m|via I 40
Detours Along the Way
Tagged by where each one fits in your drive — first break, midpoint, final stretch.
The longest stretch is about 210.5 miles on I 40. The full list of main roads is in the Roads section above.
Yes — a 2-day pace is more comfortable than one long haul. A sensible stopping point is after roughly 231 miles on day one.
Yes — we found about 49 rest areas or service plazas within a short detour of the route (from OpenStreetMap). See the Rest Stops tab under Nearby Places for locations and mile markers. Plan to stretch, use the bathroom, and top off fluids every 2–3 hours on longer drives.
It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Johnson City, TN before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Only with planning. This is a long drive for kids — consider splitting it into two days rather than pushing through. Plan at least 2 meaningful breaks. There are 49 rest areas along the route for bathroom stops.
The main spots that need attention: at 48.3 miles (US 412): Lane positioning matters here. Multiple destination signs - pick the right one; at 176.7 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 179.9 miles (I 40): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
Yes — Stones River National Battlefield and Great Smoky Mountains National Park. See the National Parks section for detour distances and tips on detours.
Not recommended in a single day. At 8.6 hours each way, a round trip means 17.2 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at Johnson City, TN before the return drive.
